610 MANGANESE DEPOSITS OF INDIA. 
Miscellaneous factors. 
Logarithm. 
For braunite, multiply combined SiOa by 4-320 for the 
-AlnOj 
•6355 
^•700 „ 
MnO 
•6722 
For apatite, 1 of P^Og requires 1*314 CaO (including as CaO the 
CaClg or CaFg). To calculate chlorine or fluorine required multiply : — 
F<ir CI. 
For F. 
P2O, by 
•1664 
•08929 
•1266 
•06786 
For oxygen required to form MngMnO^. multiply % Mn by 
= ■ 4848, of which the logarithm is i" 68556. 
Tons and Poods. 
1 Long ton = 2240 lbs. 
1 Metric ton =: 1000 kilogrammes = 2204-62 lbs. 
1 Short ton = 2000 lbs. 
1 Pood = 36-113 lbs. 
1 Metric ton = 61 - 048 poods. 
T ) convert long tons to metric tons multiply by 1 "01605 ot winch log is 0 OOeDl')! 
„ short tons,, metric tons „ 0-90718 „ T'957693r, 
„ poods „ metric tons „ 0-0163806 „ 2" -2143272 
poods „ long tons „ 0-0161219 „ ^-2074163 
CALCUTTA : PRINTED BY STTPDT. GOVT. PRINTING, INDIA, 8, HASTINGS STREET. 
